The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 2000
Filed:
Jul. 24, 1998
Applicant:
Inventors:
Hiroshi Suda, Kiyose, JP;
Shozo Ueno, Kiyose, JP;
Assignee:
Nippon Thermostat Co., Ltd., Kiyose, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01P / ;
U.S. Cl.
CPC ...
236 345 ; 123 4109 ;
Abstract
An object of the present invention is to provide a bottom bypass structure of a thermostat device enabling it possible to stably operate a valve element, to prevent overshooting and hunting and to reduce in sizing of the thermostat device. The structure to form a bypass channel to bypass a circulating fluid in the lower reaches of the valve element opening and closing the circulation channel.